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Finding the Fourth Proportional to 83,573.19, 124,491.17 and 79,046.01

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Solution

The fourth proportional to 83,573.19, 124,491.17 and 79,046.01 is: 117,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,573.19 : 124,491.17 = 79,046.01 : x
  2. Step 2: Convert to fraction form
    83,573.19/124,491.17 = 79,046.01/x
  3. Step 3: Cross multiply
    83,573.19x = 124,491.17 × 79,046.01
  4. Step 4: Simplify right side
    83,573.19x = 9,840,530,466.35
  5. Step 5: Solve for x
    x = 9,840,530,466.35/83,573.19
  6. Step 6: Final answer
    x = 117,747.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.